after a week straight of losses already, nervous investors le leading up to the fiscal cliff, the average 401 k losing $3,000 in this country. abc's bianna golodryga was the story of just one family and the huge tax increase, if congress doesn't figure this out. >> reporter: until there's an agreement, this what the martins from raytown, missouri, like so many middle class american families, face. a hefty spike in taxes. beau, a government contractor, and deanna, an office worker, make a combined income of about $60,000. without a deal, their income taxes will rise by roughly $2,400 a year. on top of that, like everyone else earning $110,000 or less, they'll pay higher payroll taxes to pay for social security. with or without a deal, those are set to go up across the board by 2%. and for the martins, that means they'll pay an additional $1,200 a year. income and payroll tax increases combined, the martins are looking at an additional $3,600 in 2013. and it doesn't stop there. without a deal, feeding their 2-month-old baby daughter, grace, could cost the martins a lot more, too. every amer